QUESTION 9 F ma. If Professor Splash has a mass of 90 kg.what is the force on hi

Question

QUESTION 9 F ma. If Professor Splash has a mass of 90 kg.what is the force on his body pulling him down? QUESTION 10 What is Professor Splash's kinetic energy when he hits the water? Assume his mass is 90 kg. Don't use comma's or scientific notation in your answers. QUESTION 11 What is his speed upon hitting the water? QUESTION 12 This is pure speculation on my part, but I think the answer is reasonable. Let's assume he goes 5 meters under the water at the end of his dive. Remebering that KE Fxd. With what force is the water acting on him?

Explanation / Answer

here,

9)

mass of professor , m = 90 kg

the force pulling him down is the gravitational force acting on it

the gravitational accelration is g = 9.81 m/s^2

so the force acting on it , F = m * g

F = 9.81 * 90 = 882.9 N

the force acting on his body pulling him down is 882.9 N

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